- preg_match: documentation ( source)
- print_r: documentation ( source)
<?php
$range = "2008-2013";
$year = "2008";
$shite = "-2013";
$regex = "/(\d{4}\-\d{4}|\d{4})/is";
$matches = array();
preg_match($regex, $range, $matches);
preg_match($regex, $year, $matches);
preg_match($regex, $shite, $matches);
print_r($matches);
?>